环境因素对X100钢表面钝化膜性能的影响

赵阳, 梁平, 史艳华, 张云霞

Influence of Environmental Factors on Property of Passive Film Formed on X100 Pipeline Steel

ZHAO Yang, LIANG Ping, SHI Yanhua, ZHANG Yunxia

表4 不同条件下钝化膜厚度与成膜电位之间的拟合曲线

Table 4 Relationships between the thickness and formation potential of the passive films under different conditions

Experimental condition Fitting equation x =0.1 Temperature 20 ℃ y =1.8836x+0.4924 y =0.6808 40 ℃ y =1.9230x+0.3765 y =0.5688 60 ℃ y =1.7752x+0.3528 y =0.5303 pH 9.27 y =3.3452x+0.9599 y =1.2944 9.78 y =3.2542x+1.2753 y =1.6007 10.84 y =3.2473x+1.5822 y =1.9069 Cl- 0.001 y =1.338x+0.1403 y =0.2741 0.003 y =0.6380x+0.1302 y =0.1940 0.005 y =0.2870x+0.1276 y =0.1563